1051606709 has 2 divisors, whose sum is σ = 1051606710. Its totient is φ = 1051606708.

The previous prime is 1051606691. The next prime is 1051606727. The reversal of 1051606709 is 9076061501.

It is a balanced prime because it is at equal distance from previous prime (1051606691) and next prime (1051606727).

It can be written as a sum of positive squares in only one way, i.e., 903303025 + 148303684 = 30055^2 + 12178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1051606709 is a prime.

It is a super-2 number, since 2×1051606709² = 2211753340827621362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051606789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525803354 + 525803355.

It is an arithmetic number, because the mean of its divisors is an integer number (525803355).

Almost surely, 2^1051606709 is an apocalyptic number.

It is an amenable number.

1051606709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051606709 is an equidigital number, since it uses as much as digits as its factorization.

1051606709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 1051606709 is about 32428.4860732042. The cubic root of 1051606709 is about 1016.9145221850.

The spelling of 1051606709 in words is "one billion, fifty-one million, six hundred six thousand, seven hundred nine".